gl_tests: Use zero size gl surface for offscreen rendering

gpu/command_buffer/tests/gl_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/tests/gl_manager.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 
@@ skipping 214 matching lines @@
       decoder_->GetContextGroup()->transfer_buffer_manager()));
   ASSERT_TRUE(command_buffer_->Initialize())
       << "could not create command buffer service";
 
   gpu_scheduler_.reset(new GpuScheduler(command_buffer_.get(),
                                         decoder_.get(),
                                         decoder_.get()));
 
   decoder_->set_engine(gpu_scheduler_.get());
 
-  surface_ = gfx::GLSurface::CreateOffscreenGLSurface(options.size);
+  surface_ = gfx::GLSurface::CreateOffscreenGLSurface(gfx::Size());
   ASSERT_TRUE(surface_.get() != NULL) << "could not create offscreen surface";
 
   if (base_context_) {
     context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
         share_group_.get(), base_context_->get(), decoder_->AsWeakPtr()));
     ASSERT_TRUE(context_->Initialize(
         surface_.get(), gfx::PreferIntegratedGpu));
   } else {
     if (real_gl_context) {
       context_ = scoped_refptr<gfx::GLContext>(new gpu::GLContextVirtual(
@@ skipping 189 matching lines @@
 uint32 GLManager::CreateStreamTexture(uint32 texture_id) {
   NOTIMPLEMENTED();
   return 0;
 }
 
 void GLManager::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }
 
 }  // namespace gpu